Roofi ng may be completed after setting the unit.
How to set a roof curb.
As a genera l rule the curb should be placed directly on the roof support members.
In this case additional nailing plates must be.
Make sure the surface is free of water and debris.
And in this one sentence lie the benefits and the detriments we face in the roof curb business everyday.
Flat roof curb installation steps.
Make sure that the duct connection and fan inlet are properly aligned and sealed.
Prior to setting the unit onto the curb the installer should ensure that a sealing material is positioned between the unit and the curb to provide a watertight connection.
Prefabricated roof curbs have been in use since the roof has been utilized for something other than keeping weather out.
The rooftop unit may be mounted immediately after the curb is installed.
Any piece of material or equipment if it is not simply sitting on the top of the roof such as a condenser will have a roof curb mounted to the roof with the piece of equipment above the roof curb.
Prep surface area by removing all debris and water.
Make sure all the measurements are correct and the location is properly marked.
The primary function of the curb is to keep weather out while supporting flashing the equipment on it.
If the roof curb will be mounted on a new building it can be assembled at any convenient location and installed as soon as the roof support members are in place.
Specify prefabricated roof curbs and related products by a roof curb manufacturer not with or by the equipment manufacturer.
As a general rule the curb should be placed directly on the roof support members.
The curb can also be mounted on a roof deck.
The roof curb will be mounted on a new building it can be assembled at any convenient location and installed as soon as the roof support members are in place.
The curb can also be mounted on a roof deck.
Roof curbs allow the installation of the primary roof and the flashings around this roof curb prior to the delivery of the actual roof equipment and the setting of this equipment.
Specify prefab roof curbs for use with all roof penetrations and roof mounted equipment including and not limited to hvac units duct openings pipe penetrations power roof exhauster intake and relief vents flues or job fabricated items.
The curb should be installed to the roof and or wall using appropriate type and size fastener depending on roof and or wall material.
